Investigating Irradiated Superconducting Magnet Insulation Materials for Particle Accelerators and Other High-Dose Environments
Investigating Irradiated Superconducting Magnet Insulation Materials for Particle Accelerators and Other High-Dose Environments
复制标题
研究用于粒子加速器和其他高剂量环境的辐照超导磁体绝缘材料
DOI:
10.1109/tasc.2023.3252480
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发表时间:
2023
影响因子:
1.8
通讯作者:
Ogitsu Toru
中科院分区:
文献类型:
--
作者:
Reis Chris;Shen Tengming;Prestemon Soren;Hosemann Peter;Nair Mehul;Nakamoto Tatsushi;Ogitsu Toru
Modern superconducting magnets, like the Nb3Sn quadrupole system destined for the Large Hadron Collider's (LHC) high luminosity upgrade, critically depend on insulating materials such as S-2 glass and epoxy resin systems. It is therefore crucial to thoroughly understand the behavior of these insulators under their cryogenic, high-radiation in-service conditions. In this study, the industry-standard CTD-101K epoxy resin system was examined against ‘mix-61’ developed by the National High Magnetic Field Laboratory (NHMFL) and the resin system developed for the ATLAS Experiment's End Cap Toroid (ECT) magnet. Physical analysis, mechanical testing, and microscopy revealed generally superior properties for CTD-101K, though pristine mix-61 and ECT exhibited greater strength and toughness at 77 Kelvin. Upon irradiation however, NHMFL mix-61 and ATLAS-ECT saw precipitous declines in performance with 101K showcasing unparalleled radiation resistance. At highest doses, all resins displayed an alarming decline in strength and toughness, with microstructural analysis highlighting radiation-induced bubble production and crack propagation as likely candidates for performance decline.
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DOI:
10.1088/1361-6668/ac6123
发表时间:
2022
期刊:
Superconductors Science and Technology
影响因子:
--
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2002
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影响因子:
1.7
作者:
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